package blatt4;

//
//CannonBall class
//Described in Chapter 6 of
//Understanding Object - Oriented Programming with Java
//by Timothy A Budd
//Published by Addison - Wesley
//
//see ftp://ftp.cs.orst.edu / pub / budd / java / ReadMe.html
//for further information
//
//reformatted. peter, oct 2000
public class CannonBall extends Ball
{
 public CannonBall (int sx, int sy, int r, double dx, double dy)
 {
    super(sx, sy, r);

    setMotion(dx, dy);
 }

 public void move ()
 {
    dy = dy + 0.3;

    //effect of gravity
    super.move();
    //update the ball position
 }
}